Castlewellan Wind ForecastUnited KingdomNIDownCastlewellan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Castlewellan wind forecast issued today at 1:10 pm. Next forecast at approx. 1:10 am.Castlewellan Wind Statistics May WindGlenanne (36km)2026AprilMayStrongest 1 May, 20268.9mph SWAverage May4.5mphStrongest 10 April, 202631.3mph SAverage April8.2mphStrongest 27 January, 202633.6mph SEAverage 20268.7mphClimate (2011–Present)Glenanne (36km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 24 January, 202542.5mph SWAverage 2021–20267.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May17.5%10%2.5%CalmStrongMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May15%8.75%2.5%CalmStrongGet WillyWeather+ to remove ads